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铁磁材料受拉力作用时,作用力方向的磁导率()
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铁磁材料受拉力作用时,作用力方向的磁导率()
A、提高
B、降低
C、不变
D、不能确定
时间:2021-09-01 23:55
关键词:
青书学堂
大连工业大学
传感器与测试技术
02202传感器与检测技术
答案解析
A
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